Brian is making 5 triangular flags, each with the dimensions shown below.
how much fabric will brian need to make the 5 flags?

answer:  

step-by-step explanation:

here x represents the height of the pole,

and, the height of the shadow of the pole is 12 feet.

also, the angle of elevation from the top of the pole is 40°,

therefore,

by the low of sine,

which is the required equation for finding the value of x,

1 + (6 / x - 1)

step-by-step explanation:

divide using polynomial division.